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Developers just figured out a way to hide who sent bitcoin, who received it, and how much moved, without changing Bitcoin itself. This new proposed idea is not a fork around the protocol or new cryptocurrency. This is how Bitcoin was designed, a base layer people can innovate on without asking permission. On Thursday, researcher Misha Komarov and colleagues published Shielded Bitcoin, a Zcash-style shielded pool for Bitcoin’s base layer. Encrypted notes and zero-knowledge proofs ride along in ordinary Bitcoin transactions. Separate software checks that no coins are created from nothing and none are spent twice. There is no company running the pool, no sidechain, and no soft fork. Funds go in and out through cryptographic vaults Komarov has been building, called PIPEs, so no federation has to hold the bitcoin. Miners do not enforce the privacy rules. Invalid shielded data can still land in a block, indexers simply ignore it. The trade is: Bitcoin stays conservative, and the experiment lives on top of it. If it works, private transfers arrive the way most of Bitcoin’s best ideas have, not by rewriting the constitution, but by building on the settlement layer everyone already trusts. submitted by /u/docherino |
